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Tool Bag Formulas, equations, Vocabulary, etc.

8-4 & 6: Triangles and Congruent Polygons. Name Date Period. Tool Bag Formulas, equations, Vocabulary, etc. Here’s How…Notes & Examples. Objective. To find angles in triangles and polygons, and determine if figures are congruent. Title:. Acute Triangle. has 3 acute angles.

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Tool Bag Formulas, equations, Vocabulary, etc.

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  1. 8-4 & 6: Triangles and Congruent Polygons Name Date Period Tool Bag Formulas, equations, Vocabulary, etc. Here’s How…Notes & Examples Objective To find angles in triangles and polygons, and determine if figures are congruent. Title: Acute Triangle has 3 acute angles Right Triangle has 1 right angle. Acute Triangle Obtuse Triangle has 1 obtuse angle. Right Triangle Obtuse Triangle Angles of a Triangle z° y° x° x° + y° + z° = 180°

  2. 8-4 & 6: Triangles and Congruent Polygons Name Date Period Tool Bag Formulas, equations, Vocabulary, etc. Here’s How…Notes & Examples Congruent Figures have the same size and shape. A F D Title: KLM RQS ABCDEF Angles Equal Sides Equal B BCEF ABDE MK RS ACDF ML SQ KL RQ BE AD CF M S L Q K R C E Example 1 Are these triangles congruent? K Q S 21° 65° 94° 21° 94° 65° M L R Match up angles and sides:

  3. 8-4 & 6: Triangles and Congruent Polygons Name Date Period Tool Bag Formulas, equations, Vocabulary, etc. Here’s How…Notes & Examples Example 2 Given the following quadrilaterals, find x, y, and z: PQSR WTUV T S Title: 6y R 75° 132° W 18 WT PQ PR WV R V x + 5 70° 12 75° 11z° Q P 24 V U Find x: Find y: x + 5 = 12 6y = 24 x + 5 - 5 = 12 - 5 6y 24 = x = 7 6 6 Find z: y = 4 132 = 11z 132 11z = 11 11 12 = z

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